Lamp



t. A. HAWTHORNE- LAMP.

APPLICATION FILED APR. 28, 1922.

Patented Aug. 29, 1922.

(Ztlarny UNITED" STATES,

PATENToFFlcE.

LAMP.

Specification of Letters latent. Patented Aug-29, 1922.

Application filed April 28,1922. Serial No. 557,087.

- To all whom it may concern:

Be it known'that I, ELLSWORTH A. HAW- mrionnn, a citizen of the UnitedStates, re-

siding at the city of Bridgeport, in the county of F airfield and Stateof Connectiout, have invented certain new and useful,

Improvements. in Lamps; and I do declare the following to be a full,clear, and exact description of the invention, such as willenable othersskilled in the art to which it appertains to make and usethe same.

Thls invention relates to lamps of a character especially designed andequipped for attachment to the front axle of an aut0mo-.

bile, through the medium of any suitable bracket that is fixed to theaxle, so that the light rays from the lamp will follow the course of theautomobile. The lamp is an emergency road light, and 1s equipped withthe usual electric light socket, and the electrical connections are suchthat the lamp is not lighted except when the usual head lampsare. eitherdimmed or extinguished, and the switch that controls the dimming orextinguishing of the usual head lights controls this emergency road liht, so that when the head lights are dimme or extinguished thisemergency lamp is lighted, and will illume the roadway in the immediatevicinity of the car and will especially throw the light at the righthand side near the gutter of the road, this emger gency lamp being, ofcourse, so low down that it will not emit rays that glare into the eyesof the approaching automobilist, while at the same time it will beclearly visible so that the location of the car bearing this emergencylamp may be'readily determined. After an on-coming car has passed thelighting of the usual head lights or the es-- tablishing of their fulllighting capacity automatically extinguishes the emergency lamp.-

Owing to the fact that an emergency lamp of this sort-must beconstructed with i the end in view to exclude dirt and moisture and toreduce vibration to a-minlmum, the.

present invention contemplates a lamp in which the lamp body, theclosure or door, and the reflector are secured together as a unit, whileat the same time this unit is 'subdivided so that a proper adjustment ofthe reflector is independently brought about which results in theobtaining of correct light rays by focusing-the bulb on that part of thereflector where the rays are concenof this invention Figure 1 is asectional elevation of the lamp-- I Figure 2 a front elevation with theclosure or door broken away, and j Figure 3 a detail broken sectionalelevation, on an enlarged scale, of the means employed to secure theclosure and lamp body as a unit. v Similar numerals of reference denotelike parts in the several figures of the drawing. I 1 is the body of thelamp whose rim 2is fiat on its outer face, this rim merging at its outerperiphery into an annular seat 3.

4 is the reflector the periphery of which terminates in anannular flange5 which has elongated perforations 6 therethrough. This flange 5 isseated against the flat face of the rim 2, and headed bushings 7exteriorly and interiorly threaded are driven into the rim through theperforations 6, and, after the proper adjustments of the reflector arecf- 'fected, these bushings are tightened until the flange 5 of thereflector is firmly bound means of screws 12 which are driven throughthe closure into the bushings, thereb forcing the lip 10 firmly againstthe'gas et 11-, and securing the lamp body, the reflector and the doorin a most approved manner, since the securing devices while separateentireties are unitary in their function in that they have the sameaxis.

From the above it will be noted that the reflector may be properly andaccurately adjusted and then secured by one of these separate entiretiesso that when the door 1s removed the position of the reflector remainsunchanged.

In the drawings the body of the lamp is provided witha substantialextension 13 at its lower edge which is pierced so as to accommodate anysuitable arm 14 of a bracket, the latter being fixed to the axle of theautomobile, and any suitable set screw 15 is shown as the means forholding this lamp to thebracket, but the manner in which the lamp issecured to the bracket is immaterial and forms no part of the presentinvention.

The switch that controls the head lights of the automobile also controlsthe emergency lamp that forms the subject of the present invention, sothat when the automobile head lights are fully on, the emergency lamp isextinguished, but'when the head lights are dimmed or extinguished by theproper movement of theswitch this same movement of the latter will causethe lighting of the emergency lamp, the location of which latter is suchthat it will always illume the r'oadway'in the direction in which thecar is traveling, and will always serve as a beacon to an oncomingautomobilist.

What is claimed is 1- 1. In a lamp of the character described, a

body portion having a fiat rim which merges into an angular seat,'saidrim having formed in its face a plurality of threaded sockets, a

, reflector having a straight peripheral flange adapted to seat againstthe face of the rim and provided With elongated perforations earner saidsockets with said heads impingedagainst the reflector flange, and aclosure having a glazing and secured to the lamp body by screws driveninto said bushings, said closure having at its periphery an angular lipseating'firmly against the surfaces of said seat with a gaskettherebetween.

2. In a lamp of the character described, abody portion having a rimwhose outer face is flat and hasformed therein a plurality of threadedsockets, a reflector having a peripheral flange which seats against,said outer face and has elongated perforations which register "withsaid sockets, interiorly and exteriorly threaded bushings driven throughsaid perforations and within said sockets, each bushing having a flangedhead that impinges firmly against the flange of the reflector, and aclosure having a glazing and secured to the lamp body by screws driveninto said bushings, whereby the Ieflector, lamp body and closure arefirmly secured together as a unit.

In testimony whereof I afiix my signature hereto.

ELLSWO-RTH A. HAWTHORNE. 4

